Pre-Mortem Skill Purpose: Is this plan/spec good enough to implement? Mandatory for 3+ issue epics. Pre-mortem is enforced by hook when is invoked on epics with 3+ child issues. 6/6 consecutive positive ROI. Bypass: flag or . Run on a plan or spec to get multi-model judgment before committing to implementation. --- Quick Start --- Execution Steps Step 0: Bead-Input Pre-Flight (Mandatory) When the input to is a bead ID ( ) and the plan is full-complexity, older than 7 days, or inherited from a prior session, run as the first action. If verification reports STALE citations, stop in interactive…